const CommentHead = (props) => {
  return (
    <h3 className="comm-head">
      热门评论<sub>({props.comments.length })</sub>
      <span
       className={props.active === "default" ? "active" : ''} 
       onClick = {()=>props.setActive("default")}>默认</span>
      <span className = {props.active === "time" ? "active" :''}
      onClick = {()=>props.setActive("time")}>时间</span>
    </h3>
  );
}

export default CommentHead
